import java.util.LinkedList;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User:
 * Date: 2024-10-08
 * Time: 8:36
 */
public class Test {
    public static void main(String[] args) {
        LinkedList<Integer> ret = new LinkedList<>();
        ret.add(12);
        ret.add(23);
        ret.add(34);
        ret.add(45);
        ret.add(56);
        ret.add(78);
    }
}
